The Duke of Braganza is a title associated with the historical House of Braganza, which was a royal family in Portugal. The title is currently held by the head of the Portuguese royal family, who is considered a pretender to the defunct Portuguese throne. The House of Braganza ruled Portugal from 1640 until the monarchy was abolished in 1910. The title has significant historical importance, as it is linked to various events in Portuguese history, including the restoration of independence from Spain in 1640. The current Duke, Dom Duarte Pio, represents the legacy of the Braganza family and participates in cultural and charitable activities in Portugal and abroad.